Expression of concern: Ingestion of Bifidobacterium longum subspecies infantis strain CCFM687 regulated emotional behavior and the central BDNF pathway in chronic stress-induced depressive mice through reshaping the gut microbiota

Expression of concern for ‘Ingestion of Bifidobacterium longum subspecies infantis strain CCFM687 regulated emotional behavior and the central BDNF pathway in chronic stress-induced depressive mice through reshaping the gut microbiota’ by Peijun Tian et al. , Food Funct. , 2019, 10 , 7588–7598, https://doi.org/10.1039/C9FO01630A.